Painted Glavanized Steel Metal Roofing

To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.

Painted glavanized steel metal roofing.

However paint on metal roofs often peels or rusts in which case it is time to repaint it. My house was built circa 1880 and still has its original terne metal roof which consists of individual metal shingles with an embossed decorative pattern. The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent. How to paint galvanized steel roofing panels.

Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly. You ll also need to purchase a primer designed for metal roofs. Galvanized steel on the other hand cannot be painted with an oil based or aluminum based paint. Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process.

If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. Corrosion is the death of metal roofing as we all know. If crawling around on a metal roof in the hot sun does. However if you have to repair your galvanized metal roof anyway it might be a great visual.

Go over the metal with a wire brush to remove any oxidation. Some people will leave a galvanized metal roof as is whereas others prefer to paint it. Aluminum has tremendous corrosion resistance so it will generally corrode more slowly than galvanized steel. Galvalume and galvanized steel roofing are affected differently by corrosion.

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. Avoid using alkyd based paints such as spray paint on galvanized steel. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. Before painting galvanized metal such as drip strips around eaves or roof flashing take the following steps so the paint will adhere properly and not peel.

Via abc metal roofing. Galvanized metal requires either a zinc dust type paint or a latex paint. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. Galvanized steel is often used as roofing panels because it is so highly durable and resistant to water damage.